By Kum 's on
1/11/2010 11:47 PM
I had been experiencing problem with windows authentication on local intranet sites. Whenever I try to use these sites, browser will pop up the log on window, providing valid credentials will again and again get me the logon popup screen and I always ended up locking my domain account.
I managed to use Firefox for some sites. But not all the sites were working properly with Firefox. After too much of frustration with account lockouts and calling up help desk to unlock my domain account, finally I put an end to the hell of windows integrated authentication issue with Internet Explorer 8 on windows 7.
Here is the fix it worked for me.
Make the following two entries in the registry under the key HKEY_Local_Machine\System\CurrentControlSet\Control\LSA
Add name SuppressExtendedProtection of type DWORD with value 1
Add name LmCompatibilityLevel of type DWORD with value 3
Hopefully someone will benefit out of this blog entry.
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